 Nesting Cameras in After Effects Using Expressions | ||||||
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Chris Kelley will show you how to nest cameras inside Adobe After Effects and update them automatically using expressions.
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After Effects CS3 Camera Video-/Tutorials Views: 2326 Permalink | ||||
If you don't use activeCamera and instead write your expressions with hard-coded layer names, you're bound to break your expression somewhere down the line. This video will show you how and why to use activeCamera when nesting AE cameras into precomps.
from http://themographblog.com Just pickwhip the respective nested comp camera values to your outer comp camera values. e.g. KeywordsCamera, activeCamera(Min. Version: After Effects CS3, Category: Camera, Type: Video-/Tutorials) 
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posted by MicGyver on Oct 20, 2009
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One-sided layers | |||
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Apply this expression to the opacity attribute and it'll disappear whenever it's flipped away from the camera. You need to have an active camera in your composition for this one to work.
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After Effects 6 Camera Expressions Views: 949 Permalink | |
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posted by MicGyver on Sep 15, 2008
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Fade a 3D layer’s opacity based on distance from camera | |||
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From Adobe's LiveDocs
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After Effects CS3 Camera Expressions Views: 1715 Permalink | |
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posted by MicGyver on Sep 14, 2008
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Auto orient y only | |||
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Auto-orientation towards the camera is a 3D technique in After Effects with a lot of uses. Sometimes though, it would be better if the auto orientation only affected the layer's y axis.
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After Effects 7 3D Expressions Views: 2178 Permalink | |
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posted by MaxX on Jan 08, 2009
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